"HADRON-55" complex setup for study of hadron interactions within the central part of cosmic ray extensive air showers (EAS) cores. (1st December 2020) - Iskakov, B.A.; Argynova, A.Kh.; Beisenova, A.D.; Zhautykov, B.O.; Idrisova, T.K.; Novolodskaya, O.A.; Piscal, V.V.; Ryabov, V.A.; Sadykov, T.Kh.; Sadykov, J.T.; Tautayev, Y.M.